56307172 has 12 divisors (see below), whose sum is σ = 98856576. Its totient is φ = 28062440.

The previous prime is 56307169. The next prime is 56307193. The reversal of 56307172 is 27170365.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21388 + ... + 23875.

It is an arithmetic number, because the mean of its divisors is an integer number (8238048).

Almost surely, 2^56307172 is an apocalyptic number.

It is an amenable number.

56307172 is a deficient number, since it is larger than the sum of its proper divisors (42549404).

56307172 is a wasteful number, since it uses less digits than its factorization.

56307172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45578 (or 45576 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 56307172 is about 7503.8104986733. The cubic root of 56307172 is about 383.2844839244.

The spelling of 56307172 in words is "fifty-six million, three hundred seven thousand, one hundred seventy-two".